source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/relation/MemberTableModel.java@ 9368

Last change on this file since 9368 was 9368, checked in by simon04, 8 years ago

see #12300 - Drag and Drop support for relation member list reordering
  • Property svn:eol-style set to native
File size: 26.8 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.dialogs.relation;
3
4import java.util.ArrayList;
5import java.util.Arrays;
6import java.util.Collection;
7import java.util.Collections;
8import java.util.EnumSet;
9import java.util.HashSet;
10import java.util.Iterator;
11import java.util.List;
12import java.util.Set;
13import java.util.TreeSet;
14import java.util.concurrent.CopyOnWriteArrayList;
15
16import javax.swing.DefaultListSelectionModel;
17import javax.swing.ListSelectionModel;
18import javax.swing.event.TableModelEvent;
19import javax.swing.event.TableModelListener;
20import javax.swing.table.AbstractTableModel;
21
22import org.openstreetmap.josm.Main;
23import org.openstreetmap.josm.data.SelectionChangedListener;
24import org.openstreetmap.josm.data.osm.DataSet;
25import org.openstreetmap.josm.data.osm.OsmPrimitive;
26import org.openstreetmap.josm.data.osm.Relation;
27import org.openstreetmap.josm.data.osm.RelationMember;
28import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent;
29import org.openstreetmap.josm.data.osm.event.DataChangedEvent;
30import org.openstreetmap.josm.data.osm.event.DataSetListener;
31import org.openstreetmap.josm.data.osm.event.NodeMovedEvent;
32import org.openstreetmap.josm.data.osm.event.PrimitivesAddedEvent;
33import org.openstreetmap.josm.data.osm.event.PrimitivesRemovedEvent;
34import org.openstreetmap.josm.data.osm.event.RelationMembersChangedEvent;
35import org.openstreetmap.josm.data.osm.event.TagsChangedEvent;
36import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent;
37import org.openstreetmap.josm.gui.dialogs.relation.sort.RelationSorter;
38import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType;
39import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionTypeCalculator;
40import org.openstreetmap.josm.gui.layer.OsmDataLayer;
41import org.openstreetmap.josm.gui.tagging.presets.TaggingPreset;
42import org.openstreetmap.josm.gui.tagging.presets.TaggingPresetHandler;
43import org.openstreetmap.josm.gui.tagging.presets.TaggingPresetType;
44import org.openstreetmap.josm.gui.tagging.presets.TaggingPresets;
45import org.openstreetmap.josm.gui.util.GuiHelper;
46import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTableModel;
47
48public class MemberTableModel extends AbstractTableModel
49implements TableModelListener, SelectionChangedListener, DataSetListener, OsmPrimitivesTableModel {
50
51 /**
52 * data of the table model: The list of members and the cached WayConnectionType of each member.
53 **/
54 private final transient List<RelationMember> members;
55 private transient List<WayConnectionType> connectionType;
56
57 private DefaultListSelectionModel listSelectionModel;
58 private final CopyOnWriteArrayList<IMemberModelListener> listeners;
59 private final transient OsmDataLayer layer;
60 private final transient TaggingPresetHandler presetHandler;
61
62 private final transient WayConnectionTypeCalculator wayConnectionTypeCalculator = new WayConnectionTypeCalculator();
63 private final transient RelationSorter relationSorter = new RelationSorter();
64
65 /**
66 * constructor
67 * @param layer data layer
68 * @param presetHandler tagging preset handler
69 */
70 public MemberTableModel(OsmDataLayer layer, TaggingPresetHandler presetHandler) {
71 members = new ArrayList<>();
72 listeners = new CopyOnWriteArrayList<>();
73 this.layer = layer;
74 this.presetHandler = presetHandler;
75 addTableModelListener(this);
76 }
77
78 /**
79 * Returns the data layer.
80 * @return the data layer
81 */
82 public OsmDataLayer getLayer() {
83 return layer;
84 }
85
86 public void register() {
87 DataSet.addSelectionListener(this);
88 getLayer().data.addDataSetListener(this);
89 }
90
91 public void unregister() {
92 DataSet.removeSelectionListener(this);
93 getLayer().data.removeDataSetListener(this);
94 }
95
96 /* --------------------------------------------------------------------------- */
97 /* Interface SelectionChangedListener */
98 /* --------------------------------------------------------------------------- */
99 @Override
100 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
101 if (Main.main.getEditLayer() != this.layer) return;
102 // just trigger a repaint
103 Collection<RelationMember> sel = getSelectedMembers();
104 fireTableDataChanged();
105 setSelectedMembers(sel);
106 }
107
108 /* --------------------------------------------------------------------------- */
109 /* Interface DataSetListener */
110 /* --------------------------------------------------------------------------- */
111 @Override
112 public void dataChanged(DataChangedEvent event) {
113 // just trigger a repaint - the display name of the relation members may have changed
114 Collection<RelationMember> sel = getSelectedMembers();
115 GuiHelper.runInEDT(new Runnable() {
116 public void run() {
117 fireTableDataChanged();
118 }
119 });
120 setSelectedMembers(sel);
121 }
122
123 @Override
124 public void nodeMoved(NodeMovedEvent event) {
125 // ignore
126 }
127
128 @Override
129 public void primitivesAdded(PrimitivesAddedEvent event) {
130 // ignore
131 }
132
133 @Override
134 public void primitivesRemoved(PrimitivesRemovedEvent event) {
135 // ignore - the relation in the editor might become out of sync with the relation
136 // in the dataset. We will deal with it when the relation editor is closed or
137 // when the changes in the editor are applied.
138 }
139
140 @Override
141 public void relationMembersChanged(RelationMembersChangedEvent event) {
142 // ignore - the relation in the editor might become out of sync with the relation
143 // in the dataset. We will deal with it when the relation editor is closed or
144 // when the changes in the editor are applied.
145 }
146
147 @Override
148 public void tagsChanged(TagsChangedEvent event) {
149 // just refresh the respective table cells
150 //
151 Collection<RelationMember> sel = getSelectedMembers();
152 for (int i = 0; i < members.size(); i++) {
153 if (members.get(i).getMember() == event.getPrimitive()) {
154 fireTableCellUpdated(i, 1 /* the column with the primitive name */);
155 }
156 }
157 setSelectedMembers(sel);
158 }
159
160 @Override
161 public void wayNodesChanged(WayNodesChangedEvent event) {
162 // ignore
163 }
164
165 @Override
166 public void otherDatasetChange(AbstractDatasetChangedEvent event) {
167 // ignore
168 }
169
170 /* --------------------------------------------------------------------------- */
171
172 public void addMemberModelListener(IMemberModelListener listener) {
173 if (listener != null) {
174 listeners.addIfAbsent(listener);
175 }
176 }
177
178 public void removeMemberModelListener(IMemberModelListener listener) {
179 listeners.remove(listener);
180 }
181
182 protected void fireMakeMemberVisible(int index) {
183 for (IMemberModelListener listener : listeners) {
184 listener.makeMemberVisible(index);
185 }
186 }
187
188 public void populate(Relation relation) {
189 members.clear();
190 if (relation != null) {
191 // make sure we work with clones of the relation members in the model.
192 members.addAll(new Relation(relation).getMembers());
193 }
194 fireTableDataChanged();
195 }
196
197 @Override
198 public int getColumnCount() {
199 return 3;
200 }
201
202 @Override
203 public int getRowCount() {
204 return members.size();
205 }
206
207 @Override
208 public Object getValueAt(int rowIndex, int columnIndex) {
209 switch (columnIndex) {
210 case 0:
211 return members.get(rowIndex).getRole();
212 case 1:
213 return members.get(rowIndex).getMember();
214 case 2:
215 return getWayConnection(rowIndex);
216 }
217 // should not happen
218 return null;
219 }
220
221 @Override
222 public boolean isCellEditable(int rowIndex, int columnIndex) {
223 return columnIndex == 0;
224 }
225
226 @Override
227 public void setValueAt(Object value, int rowIndex, int columnIndex) {
228 // fix #10524 - IndexOutOfBoundsException: Index: 2, Size: 2
229 if (rowIndex >= members.size()) {
230 return;
231 }
232 RelationMember member = members.get(rowIndex);
233 RelationMember newMember = new RelationMember(value.toString(), member.getMember());
234 members.remove(rowIndex);
235 members.add(rowIndex, newMember);
236 }
237
238 @Override
239 public OsmPrimitive getReferredPrimitive(int idx) {
240 return members.get(idx).getMember();
241 }
242
243 public void moveUp(int[] selectedRows) {
244 if (!canMoveUp(selectedRows))
245 return;
246
247 for (int row : selectedRows) {
248 RelationMember member1 = members.get(row);
249 RelationMember member2 = members.get(row - 1);
250 members.set(row, member2);
251 members.set(row - 1, member1);
252 }
253 fireTableDataChanged();
254 getSelectionModel().setValueIsAdjusting(true);
255 getSelectionModel().clearSelection();
256 for (int row : selectedRows) {
257 row--;
258 getSelectionModel().addSelectionInterval(row, row);
259 }
260 getSelectionModel().setValueIsAdjusting(false);
261 fireMakeMemberVisible(selectedRows[0] - 1);
262 }
263
264 public void moveDown(int[] selectedRows) {
265 if (!canMoveDown(selectedRows))
266 return;
267
268 for (int i = selectedRows.length - 1; i >= 0; i--) {
269 int row = selectedRows[i];
270 RelationMember member1 = members.get(row);
271 RelationMember member2 = members.get(row + 1);
272 members.set(row, member2);
273 members.set(row + 1, member1);
274 }
275 fireTableDataChanged();
276 getSelectionModel();
277 getSelectionModel().setValueIsAdjusting(true);
278 getSelectionModel().clearSelection();
279 for (int row : selectedRows) {
280 row++;
281 getSelectionModel().addSelectionInterval(row, row);
282 }
283 getSelectionModel().setValueIsAdjusting(false);
284 fireMakeMemberVisible(selectedRows[0] + 1);
285 }
286
287 public void remove(int[] selectedRows) {
288 if (!canRemove(selectedRows))
289 return;
290 int offset = 0;
291 for (int row : selectedRows) {
292 row -= offset;
293 if (members.size() > row) {
294 members.remove(row);
295 offset++;
296 }
297 }
298 fireTableDataChanged();
299 }
300
301 public boolean canMoveUp(int[] rows) {
302 if (rows == null || rows.length == 0)
303 return false;
304 Arrays.sort(rows);
305 return rows[0] > 0 && !members.isEmpty();
306 }
307
308 public boolean canMoveDown(int[] rows) {
309 if (rows == null || rows.length == 0)
310 return false;
311 Arrays.sort(rows);
312 return !members.isEmpty() && rows[rows.length - 1] < members.size() - 1;
313 }
314
315 public boolean canRemove(int[] rows) {
316 if (rows == null || rows.length == 0)
317 return false;
318 return true;
319 }
320
321 public DefaultListSelectionModel getSelectionModel() {
322 if (listSelectionModel == null) {
323 listSelectionModel = new DefaultListSelectionModel();
324 listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
325 }
326 return listSelectionModel;
327 }
328
329 public void removeMembersReferringTo(List<? extends OsmPrimitive> primitives) {
330 if (primitives == null)
331 return;
332 Iterator<RelationMember> it = members.iterator();
333 while (it.hasNext()) {
334 RelationMember member = it.next();
335 if (primitives.contains(member.getMember())) {
336 it.remove();
337 }
338 }
339 fireTableDataChanged();
340 }
341
342 public void applyToRelation(Relation relation) {
343 relation.setMembers(members);
344 }
345
346 public boolean hasSameMembersAs(Relation relation) {
347 if (relation == null)
348 return false;
349 if (relation.getMembersCount() != members.size())
350 return false;
351 for (int i = 0; i < relation.getMembersCount(); i++) {
352 if (!relation.getMember(i).equals(members.get(i)))
353 return false;
354 }
355 return true;
356 }
357
358 /**
359 * Replies the set of incomplete primitives
360 *
361 * @return the set of incomplete primitives
362 */
363 public Set<OsmPrimitive> getIncompleteMemberPrimitives() {
364 Set<OsmPrimitive> ret = new HashSet<>();
365 for (RelationMember member : members) {
366 if (member.getMember().isIncomplete()) {
367 ret.add(member.getMember());
368 }
369 }
370 return ret;
371 }
372
373 /**
374 * Replies the set of selected incomplete primitives
375 *
376 * @return the set of selected incomplete primitives
377 */
378 public Set<OsmPrimitive> getSelectedIncompleteMemberPrimitives() {
379 Set<OsmPrimitive> ret = new HashSet<>();
380 for (RelationMember member : getSelectedMembers()) {
381 if (member.getMember().isIncomplete()) {
382 ret.add(member.getMember());
383 }
384 }
385 return ret;
386 }
387
388 /**
389 * Replies true if at least one the relation members is incomplete
390 *
391 * @return true if at least one the relation members is incomplete
392 */
393 public boolean hasIncompleteMembers() {
394 for (RelationMember member : members) {
395 if (member.getMember().isIncomplete())
396 return true;
397 }
398 return false;
399 }
400
401 /**
402 * Replies true if at least one of the selected members is incomplete
403 *
404 * @return true if at least one of the selected members is incomplete
405 */
406 public boolean hasIncompleteSelectedMembers() {
407 for (RelationMember member : getSelectedMembers()) {
408 if (member.getMember().isIncomplete())
409 return true;
410 }
411 return false;
412 }
413
414 protected List<Integer> getSelectedIndices() {
415 List<Integer> selectedIndices = new ArrayList<>();
416 for (int i = 0; i < members.size(); i++) {
417 if (getSelectionModel().isSelectedIndex(i)) {
418 selectedIndices.add(i);
419 }
420 }
421 return selectedIndices;
422 }
423
424 private void addMembersAtIndex(List<? extends OsmPrimitive> primitives, int index) {
425 final Collection<TaggingPreset> presets = TaggingPresets.getMatchingPresets(EnumSet.of(TaggingPresetType.RELATION),
426 presetHandler.getSelection().iterator().next().getKeys(), false);
427 if (primitives == null)
428 return;
429 int idx = index;
430 for (OsmPrimitive primitive : primitives) {
431 Set<String> potentialRoles = new TreeSet<>();
432 for (TaggingPreset tp : presets) {
433 String suggestedRole = tp.suggestRoleForOsmPrimitive(primitive);
434 if (suggestedRole != null) {
435 potentialRoles.add(suggestedRole);
436 }
437 }
438 // TODO: propose user to choose role among potential ones instead of picking first one
439 final String role = potentialRoles.isEmpty() ? null : potentialRoles.iterator().next();
440 RelationMember member = new RelationMember(role == null ? "" : role, primitive);
441 members.add(idx++, member);
442 }
443 fireTableDataChanged();
444 getSelectionModel().clearSelection();
445 getSelectionModel().addSelectionInterval(index, index + primitives.size() - 1);
446 fireMakeMemberVisible(index);
447 }
448
449 void addMembersAtIndex(final Iterable<RelationMember> newMembers, final int index) {
450 int idx = index;
451 for (RelationMember member : newMembers) {
452 members.add(idx++, member);
453 }
454 fireTableRowsInserted(index, idx - 1);
455 }
456
457 public void addMembersAtBeginning(List<? extends OsmPrimitive> primitives) {
458 addMembersAtIndex(primitives, 0);
459 }
460
461 public void addMembersAtEnd(List<? extends OsmPrimitive> primitives) {
462 addMembersAtIndex(primitives, members.size());
463 }
464
465 public void addMembersBeforeIdx(List<? extends OsmPrimitive> primitives, int idx) {
466 addMembersAtIndex(primitives, idx);
467 }
468
469 public void addMembersAfterIdx(List<? extends OsmPrimitive> primitives, int idx) {
470 addMembersAtIndex(primitives, idx + 1);
471 }
472
473 /**
474 * Replies the number of members which refer to a particular primitive
475 *
476 * @param primitive the primitive
477 * @return the number of members which refer to a particular primitive
478 */
479 public int getNumMembersWithPrimitive(OsmPrimitive primitive) {
480 int count = 0;
481 for (RelationMember member : members) {
482 if (member.getMember().equals(primitive)) {
483 count++;
484 }
485 }
486 return count;
487 }
488
489 /**
490 * updates the role of the members given by the indices in <code>idx</code>
491 *
492 * @param idx the array of indices
493 * @param role the new role
494 */
495 public void updateRole(int[] idx, String role) {
496 if (idx == null || idx.length == 0)
497 return;
498 for (int row : idx) {
499 // fix #7885 - IndexOutOfBoundsException: Index: 39, Size: 39
500 if (row >= members.size()) {
501 continue;
502 }
503 RelationMember oldMember = members.get(row);
504 RelationMember newMember = new RelationMember(role, oldMember.getMember());
505 members.remove(row);
506 members.add(row, newMember);
507 }
508 fireTableDataChanged();
509 for (int row : idx) {
510 getSelectionModel().addSelectionInterval(row, row);
511 }
512 }
513
514 /**
515 * Get the currently selected relation members
516 *
517 * @return a collection with the currently selected relation members
518 */
519 public Collection<RelationMember> getSelectedMembers() {
520 List<RelationMember> selectedMembers = new ArrayList<>();
521 for (int i : getSelectedIndices()) {
522 selectedMembers.add(members.get(i));
523 }
524 return selectedMembers;
525 }
526
527 /**
528 * Replies the set of selected referers. Never null, but may be empty.
529 *
530 * @return the set of selected referers
531 */
532 public Collection<OsmPrimitive> getSelectedChildPrimitives() {
533 Collection<OsmPrimitive> ret = new ArrayList<>();
534 for (RelationMember m: getSelectedMembers()) {
535 ret.add(m.getMember());
536 }
537 return ret;
538 }
539
540 /**
541 * Replies the set of selected referers. Never null, but may be empty.
542 * @param referenceSet reference set
543 *
544 * @return the set of selected referers
545 */
546 public Set<OsmPrimitive> getChildPrimitives(Collection<? extends OsmPrimitive> referenceSet) {
547 Set<OsmPrimitive> ret = new HashSet<>();
548 if (referenceSet == null) return null;
549 for (RelationMember m: members) {
550 if (referenceSet.contains(m.getMember())) {
551 ret.add(m.getMember());
552 }
553 }
554 return ret;
555 }
556
557 /**
558 * Selects the members in the collection selectedMembers
559 *
560 * @param selectedMembers the collection of selected members
561 */
562 public void setSelectedMembers(Collection<RelationMember> selectedMembers) {
563 if (selectedMembers == null || selectedMembers.isEmpty()) {
564 getSelectionModel().clearSelection();
565 return;
566 }
567
568 // lookup the indices for the respective members
569 //
570 Set<Integer> selectedIndices = new HashSet<>();
571 for (RelationMember member : selectedMembers) {
572 for (int idx = 0; idx < members.size(); ++idx) {
573 if (member.equals(members.get(idx))) {
574 selectedIndices.add(idx);
575 }
576 }
577 }
578 setSelectedMembersIdx(selectedIndices);
579 }
580
581 /**
582 * Selects the members in the collection selectedIndices
583 *
584 * @param selectedIndices the collection of selected member indices
585 */
586 public void setSelectedMembersIdx(Collection<Integer> selectedIndices) {
587 if (selectedIndices == null || selectedIndices.isEmpty()) {
588 getSelectionModel().clearSelection();
589 return;
590 }
591 // select the members
592 //
593 getSelectionModel().setValueIsAdjusting(true);
594 getSelectionModel().clearSelection();
595 for (int row : selectedIndices) {
596 getSelectionModel().addSelectionInterval(row, row);
597 }
598 getSelectionModel().setValueIsAdjusting(false);
599 // make the first selected member visible
600 //
601 if (!selectedIndices.isEmpty()) {
602 fireMakeMemberVisible(Collections.min(selectedIndices));
603 }
604 }
605
606 /**
607 * Replies true if the index-th relation members referrs
608 * to an editable relation, i.e. a relation which is not
609 * incomplete.
610 *
611 * @param index the index
612 * @return true, if the index-th relation members referrs
613 * to an editable relation, i.e. a relation which is not
614 * incomplete
615 */
616 public boolean isEditableRelation(int index) {
617 if (index < 0 || index >= members.size())
618 return false;
619 RelationMember member = members.get(index);
620 if (!member.isRelation())
621 return false;
622 Relation r = member.getRelation();
623 return !r.isIncomplete();
624 }
625
626 /**
627 * Replies true if there is at least one relation member given as {@code members}
628 * which refers to at least on the primitives in {@code primitives}.
629 *
630 * @param members the members
631 * @param primitives the collection of primitives
632 * @return true if there is at least one relation member in this model
633 * which refers to at least on the primitives in <code>primitives</code>; false
634 * otherwise
635 */
636 public static boolean hasMembersReferringTo(Collection<RelationMember> members, Collection<OsmPrimitive> primitives) {
637 if (primitives == null || primitives.isEmpty())
638 return false;
639 Set<OsmPrimitive> referrers = new HashSet<>();
640 for (RelationMember member : members) {
641 referrers.add(member.getMember());
642 }
643 for (OsmPrimitive referred : primitives) {
644 if (referrers.contains(referred))
645 return true;
646 }
647 return false;
648 }
649
650 /**
651 * Replies true if there is at least one relation member in this model
652 * which refers to at least on the primitives in <code>primitives</code>.
653 *
654 * @param primitives the collection of primitives
655 * @return true if there is at least one relation member in this model
656 * which refers to at least on the primitives in <code>primitives</code>; false
657 * otherwise
658 */
659 public boolean hasMembersReferringTo(Collection<OsmPrimitive> primitives) {
660 return hasMembersReferringTo(members, primitives);
661 }
662
663 /**
664 * Selects all mebers which refer to {@link OsmPrimitive}s in the collections
665 * <code>primitmives</code>. Does nothing is primitives is null.
666 *
667 * @param primitives the collection of primitives
668 */
669 public void selectMembersReferringTo(Collection<? extends OsmPrimitive> primitives) {
670 if (primitives == null) return;
671 getSelectionModel().setValueIsAdjusting(true);
672 getSelectionModel().clearSelection();
673 for (int i = 0; i < members.size(); i++) {
674 RelationMember m = members.get(i);
675 if (primitives.contains(m.getMember())) {
676 this.getSelectionModel().addSelectionInterval(i, i);
677 }
678 }
679 getSelectionModel().setValueIsAdjusting(false);
680 if (!getSelectedIndices().isEmpty()) {
681 fireMakeMemberVisible(getSelectedIndices().get(0));
682 }
683 }
684
685 /**
686 * Replies true if <code>primitive</code> is currently selected in the layer this
687 * model is attached to
688 *
689 * @param primitive the primitive
690 * @return true if <code>primitive</code> is currently selected in the layer this
691 * model is attached to, false otherwise
692 */
693 public boolean isInJosmSelection(OsmPrimitive primitive) {
694 return layer.data.isSelected(primitive);
695 }
696
697 /**
698 * Sort the selected relation members by the way they are linked.
699 */
700 void sort() {
701 List<RelationMember> selectedMembers = new ArrayList<>(getSelectedMembers());
702 List<RelationMember> sortedMembers = null;
703 List<RelationMember> newMembers;
704 if (selectedMembers.size() <= 1) {
705 newMembers = relationSorter.sortMembers(members);
706 sortedMembers = newMembers;
707 } else {
708 sortedMembers = relationSorter.sortMembers(selectedMembers);
709 List<Integer> selectedIndices = getSelectedIndices();
710 newMembers = new ArrayList<>();
711 boolean inserted = false;
712 for (int i = 0; i < members.size(); i++) {
713 if (selectedIndices.contains(i)) {
714 if (!inserted) {
715 newMembers.addAll(sortedMembers);
716 inserted = true;
717 }
718 } else {
719 newMembers.add(members.get(i));
720 }
721 }
722 }
723
724 if (members.size() != newMembers.size()) throw new AssertionError();
725
726 members.clear();
727 members.addAll(newMembers);
728 fireTableDataChanged();
729 setSelectedMembers(sortedMembers);
730 }
731
732 /**
733 * Sort the selected relation members and all members below by the way they are linked.
734 */
735 void sortBelow() {
736 final List<RelationMember> subList = members.subList(getSelectionModel().getMinSelectionIndex(), members.size());
737 final List<RelationMember> sorted = relationSorter.sortMembers(subList);
738 subList.clear();
739 subList.addAll(sorted);
740 fireTableDataChanged();
741 setSelectedMembers(sorted);
742 }
743
744 WayConnectionType getWayConnection(int i) {
745 if (connectionType == null) {
746 connectionType = wayConnectionTypeCalculator.updateLinks(members);
747 }
748 return connectionType.get(i);
749 }
750
751 @Override
752 public void tableChanged(TableModelEvent e) {
753 connectionType = null;
754 }
755
756 /**
757 * Reverse the relation members.
758 */
759 void reverse() {
760 List<Integer> selectedIndices = getSelectedIndices();
761 List<Integer> selectedIndicesReversed = getSelectedIndices();
762
763 if (selectedIndices.size() <= 1) {
764 Collections.reverse(members);
765 fireTableDataChanged();
766 setSelectedMembers(members);
767 } else {
768 Collections.reverse(selectedIndicesReversed);
769
770 List<RelationMember> newMembers = new ArrayList<>(members);
771
772 for (int i = 0; i < selectedIndices.size(); i++) {
773 newMembers.set(selectedIndices.get(i), members.get(selectedIndicesReversed.get(i)));
774 }
775
776 if (members.size() != newMembers.size()) throw new AssertionError();
777 members.clear();
778 members.addAll(newMembers);
779 fireTableDataChanged();
780 setSelectedMembersIdx(selectedIndices);
781 }
782 }
783}
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